/*
 * Copyright (c) 2013, Alex Theodoridis <email>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *     * Neither the name of the <organization> nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Alex Theodoridis <alekstheod@gmail.com> ''AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Alex Theodoridis <email> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */


#ifndef INEIGHBOURHOOD_H
#define INEIGHBOURHOOD_H
#include <NeuralNetwork/SOM/INode.h>
#include <vector>

namespace nn
{

namespace kohonen
{

template< typename NeighbourhoodType>
class INeighbourhood {
public:
  typedef typename NeighbourhoodType::Position Position;
  typedef typename NeighbourhoodType::Node Node;
  typedef typename Position::Var Var;
  typedef typename NeighbourhoodType::iterator iterator;
  typedef typename NeighbourhoodType::const_iterator const_iterator;
  
private:
  NeighbourhoodType m_neighbourhood;
  
public:
  template<typename... Args>
  INeighbourhood( Args... args ):m_neighbourhood(args...){}
  
  template<typename Iterator>
  INeighbourhood( Position center, Var radius, Iterator begin, Iterator end ):m_neighbourhood(center, radius, begin, end){}
  
  template< typename NodeType >
  bool applyWeightModifications( const Var& learningRate, std::vector< INode< NodeType > >& nodes, const std::vector< Var >& inputs ){
    return m_neighbourhood.applyWeightModifications( learningRate, nodes, inputs );
  }
  
  iterator begin(){
    return m_neighbourhood.begin();
  }
  
  iterator end(){
    return m_neighbourhood.end();
  }
  
  ~INeighbourhood(){}
  
};

}

}


#endif
